In an experiment with two fixed masses

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

In an experiment with two fixed masses, the force recorded is

80\,\text{N}

when

1/r^{2}=0.25\,\text{m}^{-2}

. Calculate the gravitational force when the separation between the masses is

4\,\text{m}